title: Response: selection bias in cohorts of cases.
authors.forename: Mark
authors.initials: M
authors.lastname: Hamer
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Stamatakis
mesh_terms: D002318:Cardiovascular Diseases / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D050177:Overweight / Q000453:epidemiology*
keywords: Collider bias; Metabolically healthy obesity; Obesity paradox